WO2009135967A1 - Prétraitement biologique de résidus solides organiques - Google Patents

Prétraitement biologique de résidus solides organiques Download PDF

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Publication number
WO2009135967A1
WO2009135967A1 PCT/ES2009/000151 ES2009000151W WO2009135967A1 WO 2009135967 A1 WO2009135967 A1 WO 2009135967A1 ES 2009000151 W ES2009000151 W ES 2009000151W WO 2009135967 A1 WO2009135967 A1 WO 2009135967A1
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WO
WIPO (PCT)
Prior art keywords
solid waste
development
waste
procedure
biological
Prior art date
Application number
PCT/ES2009/000151
Other languages
English (en)
Spanish (es)
Inventor
Diego SALES MÁRQUEZ
Luis Isidoro ROMERO GARCÍA
Carlos José ÁLVAREZ GALLEGO
Luis Alberto FERNÁNDEZ GUELFO
Original Assignee
Universidad De Cádiz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Universidad De Cádiz filed Critical Universidad De Cádiz
Publication of WO2009135967A1 publication Critical patent/WO2009135967A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/02—Biological treatment
    • C02F11/04—Anaerobic treatment; Production of methane by such processes
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Definitions

  • the present invention falls within the technical sector of solid waste treatment processes, specifically in relation to biological treatments of organic solid waste by aerobic (composting) or anaerobic (anaerobic digestion) techniques.
  • the speed limiting stage is methanogenesis from volatile fatty acids generated during hydrolysis.
  • the slowest stage is the hydrolysis of the particulate material and the solubilization of the organic matter in the liquid medium.
  • the organic fraction is obtained after a series of previous processing steps and finally separated through a thrommel (with a passing light between 30 and 90 mm). Consequently, FORSU is in particulate form and the hydrolysis and solubilization of organic matter can be significantly increased by using the indicated pretreatments.
  • the present invention focuses on the application of biological pretreatments on FORSU.
  • several studies are carried out for the pretreatment of lignocellulosic residues, with the use and inoculation of specific enzymes capable of hydrolyzing this type of material.
  • the main operating variables in biological pretreatments are usually the type of inoculum used as an enzymatic agent, the percentage of inoculation and the contact time between the residue and the inoculum.
  • the invention consists of an operative process through which, by means of the application of a biological pretreatment consisting of the mixture of a solid organic residue (for example, the FORSU or other organic solid residue of similar physicochemical characteristics) with compost as an enzymatic agent , it is possible to accelerate the speed of hydrolysis and increase the anaerobic biodegradability of the residue subjected to pretreatment, since it is considered that the hydrolytic stage of a soluble particulate substrate is the limiting step of the overall speed of the anaerobic digestion process.
  • the operative procedure consists in mixing, by stirring, the solid organic residue, which will be subsequently biomethanized by anaerobic digestion, with mature compost for 24 hours at atmospheric pressure and room temperature.
  • the compost used as an additional biological agent is generated in the same procedure and its addition is carried out by means of a recirculation of the product resulting from aerobic composting to the mixing unit prior to anaerobic digesters.
  • the percentage of inoculation with compost must be between 2.5% and 5% by volume.
  • Figure 1 Represents a conventional flow diagram for the treatment, at the industrial level, of the FORSU, also incorporating a compost recirculation line for performing the pretreatment detailed in the present invention. Listed below are each of the elements that make up the process:
  • Residue A Residue that is intended to be biomethanized by anaerobic digestion, for example FORSU.
  • Waste B Waste that acts as a source of microorganisms for the development of anaerobic digestion, for example anaerobic sludge from an Urban Wastewater Treatment Plant that has anaerobic digesters in its facilities. 3. Waste mixing unit.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)

Abstract

L'invention concerne un procédé fonctionnel par le biais duquel, par application d'un prétraitement biologique consistant en un mélange de compost mûr, avec la fraction organique des résidus solides urbains, ou d'autres résidus solides à caractéristiques physicochimiques similaires, on parvient à accélérer la vitesse de l'hydrolyse et à augmenter la biodégradabilité anaérobie du résidu, étant donné que la dégradation d'un substrat de particule soluble est l'étape cinétiquement limitante dans la digestion anaérobie.
PCT/ES2009/000151 2008-05-05 2009-03-16 Prétraitement biologique de résidus solides organiques WO2009135967A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200801282A ES2328212B1 (es) 2008-05-05 2008-05-05 Pretratamiento biologico de residuos solidos organicos.
ESP200801282 2008-05-05

Publications (1)

Publication Number Publication Date
WO2009135967A1 true WO2009135967A1 (fr) 2009-11-12

Family

ID=41226501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2009/000151 WO2009135967A1 (fr) 2008-05-05 2009-03-16 Prétraitement biologique de résidus solides organiques

Country Status (2)

Country Link
ES (1) ES2328212B1 (fr)
WO (1) WO2009135967A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8329455B2 (en) 2011-07-08 2012-12-11 Aikan North America, Inc. Systems and methods for digestion of solid waste
CN110184306A (zh) * 2019-05-17 2019-08-30 北京化工大学 一种木质纤维素原料高效生物预处理及厌氧消化产甲烷方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8505622A1 (es) * 1983-07-01 1985-06-01 Acec Procedimiento e instalacion de tratamiento de materias organizas
WO1989008616A1 (fr) * 1988-03-07 1989-09-21 San Valeriano S.P.A. Procede et installation de decomposition et de recyclage de dechets urbains solides par fermentation anaerobie

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8505622A1 (es) * 1983-07-01 1985-06-01 Acec Procedimiento e instalacion de tratamiento de materias organizas
WO1989008616A1 (fr) * 1988-03-07 1989-09-21 San Valeriano S.P.A. Procede et installation de decomposition et de recyclage de dechets urbains solides par fermentation anaerobie

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ELLIOT A. ET AL.: "Pretreatment technologies for advancing anaerobic digestion of pulp & paper biotreatment residues", WATER RESEARCH, vol. 41, 22 October 2007 (2007-10-22), pages 4273 - 4286 *
THUMMES K. ET AL.: "Thennophilic methanogenic Archaea in compost material: Occurence, persistence and possible mechanisms for their distribution to other environments", SYSTEMATIC AND APPLIED MICROBIOLOGY, vol. 30, 22 June 2007 (2007-06-22), pages 634 - 643 *
WARD A.J. ET AL.: "Optimisation of the anaerobic digestion of agricultural resources", BIORESOURCE THECHNOLOGY, vol. 99, 11 April 2008 (2008-04-11), pages 7928 - 7940 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8329455B2 (en) 2011-07-08 2012-12-11 Aikan North America, Inc. Systems and methods for digestion of solid waste
US8492134B2 (en) 2011-07-08 2013-07-23 Aikan North America, Inc. Systems and methods for digestion of solid waste
US9328323B2 (en) 2011-07-08 2016-05-03 Aikan North America, Inc. Systems and methods for digestion of solid waste
CN110184306A (zh) * 2019-05-17 2019-08-30 北京化工大学 一种木质纤维素原料高效生物预处理及厌氧消化产甲烷方法

Also Published As

Publication number Publication date
ES2328212A1 (es) 2009-11-10
ES2328212B1 (es) 2010-09-17

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